public class lei {
    public static void main(String[] args) {
        System.out.println("基本类型：byte 二进制位数：" + Byte.SIZE);
        System.out.println("包装类：java.lang.Byte");
        System.out.println("最小值：Byte.MIN_VALUE=" + Byte.MIN_VALUE);
        System.out.println("最大值：Byte.MAX_VALUE=" + Byte.MAX_VALUE);
        int i =128;
        byte b = (byte)i;
        System.out.println(b);
        int i1 = 123;
        byte d = (byte)i1;
        System.out.println(d);
        int i3 = 123;
        byte f = (byte)1;
        System.out.println(i3+f);
    }
}
